alamb commented on issue #1179:
URL:
https://github.com/apache/arrow-datafusion/issues/1179#issuecomment-952180600
FYI here is what postgres does
```
alamb@MacBook-Pro:/tmp/arrow-rs$ psql
psql (13.4)
Type "help" for help.
alamb=# select * from (VALUES (1, 'foo' ,2.3), (2, 'bar', 5.4)) as t;
column1 | column2 | column3
---------+---------+---------
1 | foo | 2.3
2 | bar | 5.4
(2 rows)
alamb=# select column1 < null from (VALUES (1, 'foo' ,2.3), (2, 'bar', 5.4))
as t;
?column?
----------
(2 rows)
alamb=# select column2 < null from (VALUES (1, 'foo' ,2.3), (2, 'bar', 5.4))
as t;
?column?
----------
(2 rows)
alamb=# select column3 < null from (VALUES (1, 'foo' ,2.3), (2, 'bar', 5.4))
as t;
?column?
----------
(2 rows)
alamb=#
```
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